High Speed Screw Barrel for Extruder (Dia15-300mm)

=== Base Info ===

=== Description ===

Basic Info.

Model NO. ZYSCREW Screw Single-Screw Engagement System Full Intermeshing Screw Channel Structure Deep Screw Exhaust Exhaust Automation Automatic Computerized Computerized Screw Barrel High Speed Screw Barrel for Extruder Nitrided Layer Depth 0.5-0.8mm Nitrided Hardness 900-1000hv Nitrided Brittleness Less Than Grade 1 Surface Roughness Ra0.4 Linearity of Screw 0.015mm Transport Package Wooden Cases Specification ISO9001: 2008 Trademark Zhongyang Origin Zhejiang of China HS Code 84779000 Production Capacity 200 Sets/Month

Product Description

High speed screw barrel for extruder

Specification:
Screw Diameter: Φ 15- Φ 300
L/D ratio: 15-46

Product classification:
Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc.

Technical Information

Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT

Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm: 3mm

Warranty and service: 1 year

Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly

Experienced manufacture, we will be the best choice.